The second statement best explains the type of blood vessel and the function of these vessels' valves - <span>These are veins, which prevent the backflow of blood because the walls have little muscle to pump blood back to the heart.
</span>
Veins are large blood vessels which carry blood back to the heart. <span>Veins have a system of valves to prevent back-flow.</span>
The exact definition is ‘a state of mutual trust and support between allies’. an example could be you and your friends. or friends in a book/movie/tv show.
Answer:
Examples of food that can be deep-fried include meat, poultry, fish and vegetables. Fish and chips, for instance, combines deep-fried fish and deep-fried potatoes. French fries, doughnuts, onion rings, and hushpuppies are common deep-fried foods.
